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About JFORT3

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    Demarest, NJ
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    Learning about Mack trucks

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  1. JFORT3

    Voltage regulator

    I have a 1975 Mack CF pumper and every time I drive the truck, my dashboard voltage meter stays pinned in the overcharge lines. I just put new batteries in this past week. Anyone know why this would happen and what to do about it?
  2. JFORT3


    Hello all, I own a 1975 Mack CF Pumper, looking to know more about who owns Macks and how to properly up keep them.

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